Hi, kernel test robot noticed the following build errors: [auto build test ERROR on a24588245776dafc227243a01bfbeb8a59bafba9] url: https://github.com/intel-lab-lkp/linux/commits/hans-zhang-cixtech-com/dt-bindings-pci-cadence-Extend-compatible-for-new-RP-configuration/20250414-094836 base: a24588245776dafc227243a01bfbeb8a59bafba9 patch link: https://lore.kernel.org/r/20250411103656.2740517-6-hans.zhang%40cixtech.com patch subject: [PATCH v3 5/6] PCI: cadence: Add callback functions for RP and EP controller config: x86_64-buildonly-randconfig-002-20250414 (https://download.01.org/0day-ci/archive/20250414/202504141523.v9N9MrDJ-lkp@xxxxxxxxx/config) compiler: clang version 20.1.2 (https://github.com/llvm/llvm-project 58df0ef89dd64126512e4ee27b4ac3fd8ddf6247) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250414/202504141523.v9N9MrDJ-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202504141523.v9N9MrDJ-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> drivers/pci/controller/cadence/pcie-cadence-host.c:108:10: error: call to undeclared function 'FIELD_PREP'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 108 | addr0 = CDNS_PCIE_HPA_AT_OB_REGION_PCI_ADDR0_NBITS(12) | | ^ drivers/pci/controller/cadence/pcie-cadence.h:309:2: note: expanded from macro 'CDNS_PCIE_HPA_AT_OB_REGION_PCI_ADDR0_NBITS' 309 | FIELD_PREP(CDNS_PCIE_HPA_AT_OB_REGION_PCI_ADDR0_NBITS_MASK, \ | ^ drivers/pci/controller/cadence/pcie-cadence-host.c:574:10: error: call to undeclared function 'FIELD_PREP'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 574 | value = CDNS_PCIE_HPA_LM_RC_BAR_CFG_BAR0_CTRL(ctrl) | | ^ drivers/pci/controller/cadence/pcie-cadence.h:263:2: note: expanded from macro 'CDNS_PCIE_HPA_LM_RC_BAR_CFG_BAR0_CTRL' 263 | FIELD_PREP(CDNS_PCIE_HPA_LM_RC_BAR_CFG_BAR0_CTRL_MASK, c) | ^ drivers/pci/controller/cadence/pcie-cadence-host.c:610:10: error: call to undeclared function 'FIELD_PREP'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 610 | addr0 = CDNS_PCIE_HPA_AT_IB_RP_BAR_ADDR0_NBITS(aperture) | | ^ drivers/pci/controller/cadence/pcie-cadence.h:361:2: note: expanded from macro 'CDNS_PCIE_HPA_AT_IB_RP_BAR_ADDR0_NBITS' 361 | FIELD_PREP(CDNS_PCIE_HPA_AT_IB_RP_BAR_ADDR0_NBITS_MASK, ((nbits) - 1)) | ^ drivers/pci/controller/cadence/pcie-cadence-host.c:663:10: error: call to undeclared function 'FIELD_PREP'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 663 | desc1 = CDNS_PCIE_HPA_AT_OB_REGION_DESC1_BUS(busnr); | ^ drivers/pci/controller/cadence/pcie-cadence.h:339:2: note: expanded from macro 'CDNS_PCIE_HPA_AT_OB_REGION_DESC1_BUS' 339 | FIELD_PREP(CDNS_PCIE_HPA_AT_OB_REGION_DESC1_BUS_MASK, bus) | ^ 4 errors generated. -- >> drivers/pci/controller/cadence/pcie-cadence.c:199:8: error: call to undeclared function 'FIELD_PREP'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 199 | CDNS_PCIE_HPA_DETECT_QUIET_MIN_DELAY(delay)); | ^ drivers/pci/controller/cadence/pcie-cadence.h:375:2: note: expanded from macro 'CDNS_PCIE_HPA_DETECT_QUIET_MIN_DELAY' 375 | FIELD_PREP(CDNS_PCIE_HPA_DETECT_QUIET_MIN_DELAY_MASK, delay) | ^ drivers/pci/controller/cadence/pcie-cadence.c:221:10: error: call to undeclared function 'FIELD_PREP'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 221 | addr0 = CDNS_PCIE_HPA_AT_OB_REGION_PCI_ADDR0_NBITS(nbits) | | ^ drivers/pci/controller/cadence/pcie-cadence.h:309:2: note: expanded from macro 'CDNS_PCIE_HPA_AT_OB_REGION_PCI_ADDR0_NBITS' 309 | FIELD_PREP(CDNS_PCIE_HPA_AT_OB_REGION_PCI_ADDR0_NBITS_MASK, \ | ^ drivers/pci/controller/cadence/pcie-cadence.c:293:10: error: call to undeclared function 'FIELD_PREP'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 293 | desc0 = CDNS_PCIE_HPA_AT_OB_REGION_DESC0_TYPE_NORMAL_MSG; | ^ drivers/pci/controller/cadence/pcie-cadence.h:333:2: note: expanded from macro 'CDNS_PCIE_HPA_AT_OB_REGION_DESC0_TYPE_NORMAL_MSG' 333 | FIELD_PREP(CDNS_PCIE_HPA_AT_OB_REGION_DESC0_TYPE_MASK, 0x10) | ^ 3 errors generated. vim +/FIELD_PREP +108 drivers/pci/controller/cadence/pcie-cadence-host.c 72 73 void __iomem *cdns_pci_hpa_map_bus(struct pci_bus *bus, unsigned int devfn, 74 int where) 75 { 76 struct pci_host_bridge *bridge = pci_find_host_bridge(bus); 77 struct cdns_pcie_rc *rc = pci_host_bridge_priv(bridge); 78 struct cdns_pcie *pcie = &rc->pcie; 79 unsigned int busn = bus->number; 80 u32 addr0, desc0, desc1, ctrl0; 81 u32 regval; 82 83 if (pci_is_root_bus(bus)) { 84 /* 85 * Only the root port (devfn == 0) is connected to this bus. 86 * All other PCI devices are behind some bridge hence on another 87 * bus. 88 */ 89 if (devfn) 90 return NULL; 91 92 return pcie->reg_base + (where & 0xfff); 93 } 94 95 /* 96 * Clear AXI link-down status 97 */ 98 regval = cdns_pcie_hpa_readl(pcie, REG_BANK_AXI_SLAVE, CDNS_PCIE_HPA_AT_LINKDOWN); 99 cdns_pcie_hpa_writel(pcie, REG_BANK_AXI_SLAVE, CDNS_PCIE_HPA_AT_LINKDOWN, 100 (regval & GENMASK(0, 0))); 101 102 desc1 = 0; 103 ctrl0 = 0; 104 105 /* 106 * Update Output registers for AXI region 0. 107 */ > 108 addr0 = CDNS_PCIE_HPA_AT_OB_REGION_PCI_ADDR0_NBITS(12) | 109 CDNS_PCIE_HPA_AT_OB_REGION_PCI_ADDR0_DEVFN(devfn) | 110 CDNS_PCIE_HPA_AT_OB_REGION_PCI_ADDR0_BUS(busn); 111 cdns_pcie_hpa_writel(pcie, REG_BANK_AXI_SLAVE, 112 CDNS_PCIE_HPA_AT_OB_REGION_PCI_ADDR0(0), addr0); 113 114 desc1 = cdns_pcie_hpa_readl(pcie, REG_BANK_AXI_SLAVE, 115 CDNS_PCIE_HPA_AT_OB_REGION_DESC1(0)); 116 desc1 &= ~CDNS_PCIE_HPA_AT_OB_REGION_DESC1_DEVFN_MASK; 117 desc1 |= CDNS_PCIE_HPA_AT_OB_REGION_DESC1_DEVFN(0); 118 ctrl0 = CDNS_PCIE_HPA_AT_OB_REGION_CTRL0_SUPPLY_BUS | 119 CDNS_PCIE_HPA_AT_OB_REGION_CTRL0_SUPPLY_DEV_FN; 120 121 if (busn == bridge->busnr + 1) 122 desc0 |= CDNS_PCIE_HPA_AT_OB_REGION_DESC0_TYPE_CONF_TYPE0; 123 else 124 desc0 |= CDNS_PCIE_HPA_AT_OB_REGION_DESC0_TYPE_CONF_TYPE1; 125 126 cdns_pcie_hpa_writel(pcie, REG_BANK_AXI_SLAVE, 127 CDNS_PCIE_HPA_AT_OB_REGION_DESC0(0), desc0); 128 cdns_pcie_hpa_writel(pcie, REG_BANK_AXI_SLAVE, 129 CDNS_PCIE_HPA_AT_OB_REGION_DESC1(0), desc1); 130 cdns_pcie_hpa_writel(pcie, REG_BANK_AXI_SLAVE, 131 CDNS_PCIE_HPA_AT_OB_REGION_CTRL0(0), ctrl0); 132 133 return rc->cfg_base + (where & 0xfff); 134 } 135 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
